Classify the input using one of these labels: neutral, positive, and negative. @united ruined my day &amp; start trip SFO to GIG. both legs changed, lost my paid upgrade &amp; 200 1st class seat &amp; moved me from Econ + to Econ
system
Classify the input using one of these labels: neutral, positive, and negative. @united ruined my day &amp; start trip SFO to GIG. both legs changed, lost my paid upgrade &amp; 200 1st class seat &amp; moved me from Econ + to Econ
user
negative
assistant
system
Classify the input using one of these labels: neutral, positive, and negative. @united ruined my day &amp; start trip SFO to GIG. both legs changed, lost my paid upgrade &amp; 200 1st class seat &amp; moved me from Econ + to Econ
user
neutral
assistant